diff options
Diffstat (limited to 'llvm/tools/llvm-mca/InstructionInfoView.cpp')
| -rw-r--r-- | llvm/tools/llvm-mca/InstructionInfoView.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/llvm/tools/llvm-mca/InstructionInfoView.cpp b/llvm/tools/llvm-mca/InstructionInfoView.cpp index 76d63d21cb2..3b1e4dc8188 100644 --- a/llvm/tools/llvm-mca/InstructionInfoView.cpp +++ b/llvm/tools/llvm-mca/InstructionInfoView.cpp @@ -36,9 +36,16 @@ void InstructionInfoView::printView(raw_ostream &OS) const { for (unsigned I = 0, E = Instructions; I < E; ++I) { const MCInst &Inst = Source.getMCInstFromIndex(I); const MCInstrDesc &MCDesc = MCII.get(Inst.getOpcode()); - const MCSchedClassDesc &SCDesc = - *SM.getSchedClassDesc(MCDesc.getSchedClass()); + // Obtain the scheduling class information from the instruction. + unsigned SchedClassID = MCDesc.getSchedClass(); + unsigned CPUID = SM.getProcessorID(); + + // Try to solve variant scheduling classes. + while (SchedClassID && SM.getSchedClassDesc(SchedClassID)->isVariant()) + SchedClassID = STI.resolveVariantSchedClass(SchedClassID, &Inst, CPUID); + + const MCSchedClassDesc &SCDesc = *SM.getSchedClassDesc(SchedClassID); unsigned NumMicroOpcodes = SCDesc.NumMicroOps; unsigned Latency = MCSchedModel::computeInstrLatency(STI, SCDesc); Optional<double> RThroughput = |
